IMPLEMENTATION OF THE IPPC DIRECTIVE GUIDANCE DOCUMENT

1,47
MB ON BEST AVAILABLE TECHNIQUES FOR THE SURFACE TREATMENT

104
stron SECTOR

5860
ID Institute for Environment Management

2003
rok

Index

1 GENERAL INFORMATION . 5

1.1 Introduction.5

1.2 Application of BAT to New and Existing Plants .6

1.3 Application Deadlines and Review Periods .7

1.4 Technical Aspects of an Application7

1.5 Installations Covered .8

1.5.1 Overwiew of the Hungarian Galvanoplating Industry 8

1.5.2 Quantity of electrodeposited metals (t / year) 9

1.5.3 Hungarian Aluminium Surface Treaters Association 10

1.5.4 Hot-Dip Galvanizers Association 11

1.6 Key issues for the sector .11

1.7 Cross-Media 14

1.7.1 Environmental Effects 14

1.7.2 Costs 16

1.7.3 Evaluating the Alternatives 17

2 OVERVIEW OF PROCESSES 19

2.1 Types of Metal Finishing Processes19

2.2 The Finishing Process .20

2.2.1 Surface preparation 20

2.2.2 Surface treatment 20

2.2.3 Electroplating 22

2.3 Electrolytic Plating .23

2.3.1 Chemical and Electrochemical Conversion 23

2.3.2 Other Surface Finishing Technologies 24

3 BEST AVAILABLE TECHNIQUES: PREVENTION 26

3.1 General Pollution Prevention Techniques for Plating Solutions .28

3.2 Equipment Modifications to Prevent Pollution .31

3.2.1 Others 32

3.3 Chemical Substitution33

3.4 Water Reduction Techniques 35

3.4.1 Degreasing 36

3.4.2 Methods to Reduce Dragout 39

3.4.3 Rinsing 44

3.5 On-Site Recycling and Recovery.47

3.6 Waste Segregation 48

3.7 Recuction of Extracted Air .53

3.8 Noise and Vibration .54

3.8.1 Ventilation systems and fans 54

3.8.2 Pipework 55

3.8.3 Industrial structures (rooms and machinery) 56

3.9 Environmental Impacts of Energy Use 57

3.9.1 Energy Efficiency Measures in Permit Consideration 57

3.9.2 Energy efficiency in permitting in practice 57

3.9.3 Regulatory Requirements for Energy Efficiency under IPPC 58

3.9.4 Description of Energy Consumption 59

3.9.5 Description of specific energy consumption 60

3.9.6 Basic energy requirements 60

4 BEST AVAILABLE TECHNIQUES: REDUCTION 64

4.1 Air pollutants, Odour66

4.2 Water pollutants.68

4.2.1 Final cleaning 76

4.3 Waste 76

4.4 Noise and Vibration .77

4.5 Other Techniques 77

5 ENVIRONMENTAL MANAGEMENT SYSTEMS. 78

5.1 Best Available Techniques 80

5.2 Management Tools82

5.2.1 Inventory Management Tools 82

5.3 Strategic Management Tools.84

5.3.1 Risk Assessment 84

5.3.2 Benchmarking 84

5.3.3 Life Cycle Assessment (LCA) 84

5.4 Safety and Emergency Tools 85

5.4.1 Managing Fire-fighting Water and Major Spillages 85

6 DEFINITIONS 87

7 REFERENCES .102

8 EUROPEAN EMISSION LIMIT VALUES .104